CN104386121A - Electrical power steering drive assembly - Google Patents
Electrical power steering drive assembly Download PDFInfo
- Publication number
- CN104386121A CN104386121A CN201410709875.9A CN201410709875A CN104386121A CN 104386121 A CN104386121 A CN 104386121A CN 201410709875 A CN201410709875 A CN 201410709875A CN 104386121 A CN104386121 A CN 104386121A
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- Prior art keywords
- drive
- drive motor
- base
- fixed
- spring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0403—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by constructional features, e.g. common housing for motor and gear box
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
The invention discloses an electrical power steering drive assembly. The electrical power steering drive assembly is characterized by comprises a frame, a handle, a handle shaft, a rotating shaft lock plate, an angle sensor, a control module, a vibration avoidance support, a running drive motor, a steering drive motor, a reduction gearbox and a drive wheel. The vibration avoidance support comprises an upper support, a lower support, a drive base, slide rods, damping springs, an adjustment drive cylinder, an upper spring seat, an adjustment spring and a lower spring seat. An elastic adjustment structure formed by the adjustment drive cylinder, the upper spring seat, the adjustment spring and the lower spring seat on the vibration avoidance support can provide auxiliary elastic support for the damping spring, the distance between the adjustment spring and the drive base can be adjusted by driving the adjustment drive cylinder to operate, and accordingly adjustment of damping intensity can be realized, different damping requirements can be met while damping effects are guaranteed, and a driving system can operate more stably.
Description
Technical field
The present invention relates to a kind of electronic power assist steering and drive assembly.
Background technology
In prior art, large ton amount electrocar turns in order to the convenient realization of operating personal, product can install electronic power assist steering system, the principle of work of electronic power assist steering system is turning to of angular transducer identification handle, and by control system by the signal feedback of angular transducer collection to the motor for controlling steered wheel rotation, electronic power assist steering system travels drive configuration in addition due to the integrated steering structure of needs, therefore complicated structure, the problem must considered when how to ensure that the reliable and stable work of system is design.The anti-vibration structure design of existing electronic power assist steering system is unreasonable, and causing electrocar when standing the impact that larger hogwallow causes, easily causing the structural destruction of system, impact normally uses.
Summary of the invention
The object of the invention is to overcome above shortcomings in prior art, and provide a kind of reasonable in design, sound construction, stable electronic power assist steering drive assembly.
The present invention's adopted technical scheme that solves the problem is:
A kind of electronic power assist steering drives assembly, it is characterized in that: comprise vehicle frame, handle, Handle axis, rotating shaft jam plate, angular transducer, control module, shock-absorbing support, travel drive motor, turn to drive motor, deceleration box, drive wheel, wherein, one end of handle is hinged on the upper end of Handle axis, the vertical setting of Handle axis is also rotatably installed on vehicle frame, the lower end of Handle axis is rotated by the movable part on gear driven angular transducer, thus identify the rotational angle of Handle axis, control module connection angle sensor, turn to drive motor, travel drive motor, thus the signal feedback gathered by sensor is to control module, and control to turn to drive motor to rotate by control module, shock-absorbing support comprises upper bracket, lower bracket, drive base, sliding bar, damping spring, regulate and drive oil cylinder, upper spring seat, regulating spring and lower spring cup, upper bracket, lower bracket is fixed on vehicle frame, upper bracket is symmetrically arranged with two in the sliding bar vertically installed, the top and bottom of sliding bar are all socketed guide ring, the guide ring being positioned at the upper end of sliding bar is fixed on upper bracket, the guide ring being positioned at the lower end of sliding bar is fixed on lower bracket, drive on base and be provided with two for being socketed the fixed orifice of sliding bar, two sliding bars penetrate two fixed orifices respectively and are fixed on and drive on base, base is driven to be positioned at upper bracket, between lower bracket, sliding bar is all arranged with damping spring, the top and bottom of damping spring are against upper bracket respectively and drive on base, regulate and drive the cylinder body of oil cylinder to be fixed on upper bracket, regulate and drive the axis of oil cylinder in vertically arranging, regulate and drive the expansion link of oil cylinder to fix upper spring seat, regulating spring is in vertically arranging, the top and bottom of regulating spring fix upper spring seat and lower spring cup respectively, regulate and drive oil cylinder between two sliding bars, turn to drive motor, travelling drive motor is all fixed on the upper surface of driving base, drive on the lower surface of base and be fixed with large rotating bearing, the pivot center of large rotating bearing is vertically arranged, steering gear is fixed with below large rotating bearing, thus make steering gear be rotatably installed on driving base, steering gear is provided with deceleration box, the rotating shaft of drive wheel is horizontally disposed with and is fixed on the output shaft of deceleration box, turn to drive motor, the output shaft travelling drive motor is all vertically arranged, the output shaft travelling drive motor passes described driving base and is connected with the input shaft of deceleration box, thus drive the drive wheel on deceleration box to rotate by travelling drive motor, thus realize advancing action, turn to the output shaft of drive motor through described driving base and be connected by gear transmission with steering gear, thus by turning to drive motor to drive deceleration box to realize handling maneuver.
As preferably, drive base to comprise base body in Ω font and integral type and be fixed on the extension body in Ω font outside main body, wherein, the both sides, front end of base body are provided with the L-shaped high stage body in cross section, two sliding eyes on base are driven to lay respectively at the front of high stage body, the upper end of described high stage body is higher than base body, base body is provided with the reinforced rib that the edge along base body distributes, the two ends of described reinforced rib extend to the upper end of two high stage bodies respectively, travelling drive motor is fixed in base body, drive motor is turned to be fixed on extension body.
As preferably, described traveling drive motor adopts alternating current dynamo.
As preferably, the axis of Handle axis and the axis collinear of steering gear are arranged.
The present invention compared with prior art, have the following advantages and effect: the elastic regulating structure that the adjustment on shock-absorbing support drives oil cylinder, upper spring seat, regulating spring and lower spring cup to form, auxiliary resilient mounting can be provided for damping spring, and drive cylinder efficient by driving to regulate, the distance that can adjust regulating spring drives the distance of base, thus realize the adjustment of shock-absorbing intensity, while the effect ensureing shock-absorbing, different shock-absorbing demands can be adapted to; Shock-absorbing support rational in infrastructure, firmly, and layout drive wheel, drive system effectively, make drive wheel, achieve elasticity between drive system with vehicle frame and be connected, electrocar can stand the impact that larger hogwallow causes, thus drive system can be allowed more stably to work; Adopt vertical AC drive motor to drive, efficiently reduce the lateral dimension of independent driving system, simplify the structure, layout is more reasonable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the part-structure schematic diagram of the embodiment of the present invention.
Fig. 3 is the shock-absorbing supporting structure schematic diagram of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
See Fig. 1-3, the present embodiment electronic power assist steering drives assembly, comprise vehicle frame, handle 21, Handle axis 22, rotating shaft jam plate 23, angular transducer 24, control module, shock-absorbing support 25, travel drive motor 261, turn to drive motor 262, deceleration box 263, drive wheel 264, wherein, one end of handle 21 is hinged on the upper end of Handle axis 22, the vertical setting of Handle axis 22 is also rotatably installed on vehicle frame, the lower end of Handle axis 22 is rotated by the movable part on gear driven angular transducer 24, thus identify the rotational angle of Handle axis 22, control module connection angle sensor 24, turn to drive motor 262, travel drive motor 261, thus the signal feedback gathered by sensor is to control module, and control to turn to drive motor 262 to rotate by control module, shock-absorbing support 25 comprises upper bracket 251, lower bracket 252, drive base 253, sliding bar 254, damping spring 255, regulate and drive oil cylinder 256, upper spring seat 257, regulating spring 258 and lower spring cup 259, upper bracket 251, lower bracket 252 is fixed on vehicle frame, upper bracket 251 is symmetrically arranged with two in the sliding bar 254 vertically installed, the top and bottom of sliding bar 254 are all socketed guide ring, the guide ring being positioned at the upper end of sliding bar 254 is fixed on upper bracket 251, the guide ring being positioned at the lower end of sliding bar 254 is fixed on lower bracket 252, drive on base 253 and be provided with two for being socketed the fixed orifice 2535 of sliding bar 254, two sliding bars 254 penetrate two fixed orifices 2535 respectively and are fixed on and drive on base 253, base 253 is driven to be positioned at upper bracket 251, between lower bracket 252, sliding bar 254 is all arranged with damping spring 255, the top and bottom of damping spring 255 are against upper bracket 251 respectively and drive on base 253, regulate and drive the cylinder body of oil cylinder 256 to be fixed on upper bracket 251, regulate and drive the axis of oil cylinder 256 in vertically arranging, regulate and drive the expansion link of oil cylinder 256 to fix upper spring seat 257, regulating spring 258 is in vertically arranging, the top and bottom of regulating spring 258 fix upper spring seat 257 and lower spring cup 259 respectively, regulate and drive oil cylinder 256 between two sliding bars 254, turn to drive motor 262, travelling drive motor 261 is all fixed on the upper surface of driving base 253, drive on the lower surface of base 253 and be fixed with large rotating bearing 265, the pivot center of large rotating bearing 265 is vertically arranged, steering gear 266 is fixed with below large rotating bearing 265, thus make steering gear 266 be rotatably installed on driving base 253, steering gear 266 is provided with deceleration box 263, the rotating shaft of drive wheel 264 is horizontally disposed with and is fixed on the output shaft of deceleration box 263, turn to drive motor 262, the output shaft travelling drive motor 261 is all vertically arranged, the output shaft travelling drive motor 261 passes described driving base 253 and is connected with the input shaft of deceleration box 263, thus drive the drive wheel 264 on deceleration box 263 to rotate by travelling drive motor 261, thus realize advancing action, turn to the output shaft of drive motor 262 through described driving base 253 and be connected by gear transmission with steering gear 266, thus by turning to drive motor 262 to drive deceleration box 263 to realize handling maneuver.Drive base 253 to comprise base body 2531 in Ω font and integral type and be fixed on the extension body 2532 in Ω font outside main body, wherein, the both sides, front end of base body 2531 are provided with the L-shaped high stage body 2533 in cross section, two sliding eyes on base 253 are driven to lay respectively at the front of high stage body 2533, the upper end of described high stage body 2533 is higher than base body 2531, base body 2531 is provided with the reinforced rib 2534 that the edge along base body 2531 distributes, the two ends of described reinforced rib 2534 extend to the upper end of two high stage bodies 2533 respectively, travelling drive motor 261 is fixed in base body 2531, drive motor 262 is turned to be fixed on extension body 2532.Described traveling drive motor 261 adopts alternating current dynamo.The axis of Handle axis 22 and the axis collinear of steering gear 266 are arranged.
Above content described in this specification sheets is only casehistory made for the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of specification sheets of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (4)
1. an electronic power assist steering drives assembly, it is characterized in that: comprise vehicle frame, handle, Handle axis, rotating shaft jam plate, angular transducer, control module, shock-absorbing support, travel drive motor, turn to drive motor, deceleration box, drive wheel, wherein, one end of handle is hinged on the upper end of Handle axis, the vertical setting of Handle axis is also rotatably installed on vehicle frame, the lower end of Handle axis is rotated by the movable part on gear driven angular transducer, thus identify the rotational angle of Handle axis, control module connection angle sensor, turn to drive motor, travel drive motor, thus the signal feedback gathered by sensor is to control module, and control to turn to drive motor to rotate by control module, shock-absorbing support comprises upper bracket, lower bracket, drive base, sliding bar, damping spring, regulate and drive oil cylinder, upper spring seat, regulating spring and lower spring cup, upper bracket, lower bracket is fixed on vehicle frame, upper bracket is symmetrically arranged with two in the sliding bar vertically installed, the top and bottom of sliding bar are all socketed guide ring, the guide ring being positioned at the upper end of sliding bar is fixed on upper bracket, the guide ring being positioned at the lower end of sliding bar is fixed on lower bracket, drive on base and be provided with two for being socketed the fixed orifice of sliding bar, two sliding bars penetrate two fixed orifices respectively and are fixed on and drive on base, base is driven to be positioned at upper bracket, between lower bracket, sliding bar is all arranged with damping spring, the top and bottom of damping spring are against upper bracket respectively and drive on base, regulate and drive the cylinder body of oil cylinder to be fixed on upper bracket, regulate and drive the axis of oil cylinder in vertically arranging, regulate and drive the expansion link of oil cylinder to fix upper spring seat, regulating spring is in vertically arranging, the top and bottom of regulating spring fix upper spring seat and lower spring cup respectively, regulate and drive oil cylinder between two sliding bars, turn to drive motor, travelling drive motor is all fixed on the upper surface of driving base, drive on the lower surface of base and be fixed with large rotating bearing, the pivot center of large rotating bearing is vertically arranged, steering gear is fixed with below large rotating bearing, thus make steering gear be rotatably installed on driving base, steering gear is provided with deceleration box, the rotating shaft of drive wheel is horizontally disposed with and is fixed on the output shaft of deceleration box, turn to drive motor, the output shaft travelling drive motor is all vertically arranged, the output shaft travelling drive motor passes described driving base and is connected with the input shaft of deceleration box, thus drive the drive wheel on deceleration box to rotate by travelling drive motor, thus realize advancing action, turn to the output shaft of drive motor through described driving base and be connected by gear transmission with steering gear, thus by turning to drive motor to drive deceleration box to realize handling maneuver.
2. electronic power assist steering according to claim 1 drives assembly, it is characterized in that: drive base to comprise base body in Ω font and integral type and be fixed on the extension body in Ω font outside main body, wherein, the both sides, front end of base body are provided with the L-shaped high stage body in cross section, two sliding eyes on base are driven to lay respectively at the front of high stage body, the upper end of described high stage body is higher than base body, base body is provided with the reinforced rib that the edge along base body distributes, the two ends of described reinforced rib extend to the upper end of two high stage bodies respectively, travelling drive motor is fixed in base body, drive motor is turned to be fixed on extension body.
3. electronic power assist steering according to claim 1 drives assembly, it is characterized in that: described traveling drive motor adopts alternating current dynamo.
4. electronic power assist steering according to claim 1 drives assembly, it is characterized in that: the axis of Handle axis and the axis collinear of steering gear are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410709875.9A CN104386121A (en) | 2014-11-28 | 2014-11-28 | Electrical power steering drive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410709875.9A CN104386121A (en) | 2014-11-28 | 2014-11-28 | Electrical power steering drive assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104386121A true CN104386121A (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410709875.9A Pending CN104386121A (en) | 2014-11-28 | 2014-11-28 | Electrical power steering drive assembly |
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| Country | Link |
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| CN (1) | CN104386121A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925697A (en) * | 2015-06-30 | 2015-09-23 | 浙江上加机械有限公司 | Electric fork truck |
| CN104925698A (en) * | 2015-06-30 | 2015-09-23 | 浙江上加机械有限公司 | Stacker |
| CN105016249A (en) * | 2015-06-30 | 2015-11-04 | 浙江上加机械有限公司 | Electric stacker |
| CN105621318A (en) * | 2016-02-01 | 2016-06-01 | 宁波豪迈机械有限公司 | Electric carrier |
| CN111267139A (en) * | 2020-02-20 | 2020-06-12 | 哈工大机器人（合肥）国际创新研究院 | Intelligent end effector of robot |
| CN111301057A (en) * | 2018-12-12 | 2020-06-19 | 沈阳新松机器人自动化股份有限公司 | Walking steering wheel structure with auxiliary support |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2030939A1 (en) * | 2007-08-31 | 2009-03-04 | BT Products AB | Industrial truck |
| CN102133848A (en) * | 2010-01-27 | 2011-07-27 | Bt产品公司 | Industrial truck |
| CN202225685U (en) * | 2011-08-15 | 2012-05-23 | 吴金云 | Damping device for main driving wheel of full-electric transport vehicle |
| CN203805987U (en) * | 2014-05-14 | 2014-09-03 | 嘉兴海格力思电子科技有限公司 | Power-assisted steering system of electric truck |
| CN203864332U (en) * | 2014-05-12 | 2014-10-08 | 浙江宇捷机械有限公司 | Novel damping device for full-electric carrier |
| CN204264254U (en) * | 2014-11-28 | 2015-04-15 | 浙江上加机械有限公司 | Electronic power assist steering drives assembly |
-
2014
- 2014-11-28 CN CN201410709875.9A patent/CN104386121A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2030939A1 (en) * | 2007-08-31 | 2009-03-04 | BT Products AB | Industrial truck |
| CN102133848A (en) * | 2010-01-27 | 2011-07-27 | Bt产品公司 | Industrial truck |
| CN202225685U (en) * | 2011-08-15 | 2012-05-23 | 吴金云 | Damping device for main driving wheel of full-electric transport vehicle |
| CN203864332U (en) * | 2014-05-12 | 2014-10-08 | 浙江宇捷机械有限公司 | Novel damping device for full-electric carrier |
| CN203805987U (en) * | 2014-05-14 | 2014-09-03 | 嘉兴海格力思电子科技有限公司 | Power-assisted steering system of electric truck |
| CN204264254U (en) * | 2014-11-28 | 2015-04-15 | 浙江上加机械有限公司 | Electronic power assist steering drives assembly |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925697A (en) * | 2015-06-30 | 2015-09-23 | 浙江上加机械有限公司 | Electric fork truck |
| CN104925698A (en) * | 2015-06-30 | 2015-09-23 | 浙江上加机械有限公司 | Stacker |
| CN105016249A (en) * | 2015-06-30 | 2015-11-04 | 浙江上加机械有限公司 | Electric stacker |
| CN105621318A (en) * | 2016-02-01 | 2016-06-01 | 宁波豪迈机械有限公司 | Electric carrier |
| CN111301057A (en) * | 2018-12-12 | 2020-06-19 | 沈阳新松机器人自动化股份有限公司 | Walking steering wheel structure with auxiliary support |
| CN111301057B (en) * | 2018-12-12 | 2023-03-14 | 沈阳新松机器人自动化股份有限公司 | Walking steering wheel structure with auxiliary support |
| CN111267139A (en) * | 2020-02-20 | 2020-06-12 | 哈工大机器人（合肥）国际创新研究院 | Intelligent end effector of robot |
| CN111267139B (en) * | 2020-02-20 | 2021-12-31 | 哈工大机器人（合肥）国际创新研究院 | Intelligent end effector of robot |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150304 |